Insulated Sectional Steel-Back Door Model 470
The insulated sectional steel-back door is solidly constructed for reliable performance. The 2” polystyrene insulation delivers a superior U-factor of 0.23 (R-value of 9.83). It is perfect for commercial and industrial applications. The three-layer sandwich construction with inner and outer galvanized steel provides durability and reliability.
Perfect for Commercial & Industrial
Applications where Durability, Reliability, &
Energy Efficiency is Essential
Ideal Applications Include
Manufacturing Facilities
Automotive
Warehouse
Government Facilities
Insulated Sectional Steel-Back Door Overview
Ribbed Wood Grain Embossed Exterior
Solidly Constructed for Reliable Performance:
- Steel interior backing provides a durable finished appearance
- Baked-on polyester paint finish eliminates field painting and provides long-lasting protection against the elements
- Heavy-duty track and hardware are fabricated of high-quality galvanized steel and engineered for precise, trouble-free performance.
Air resistance: The tongue-and-groove joint profile prevents air leakage between sections
Thermal performance: 2″ polystyrene insulation delivers a U-factor1 
of 0.23 and an R-value2 of 9.83
Warranty: 10 year delamination; 10 year rust-through; 1 year material & workmanship
Exterior Surface: Ribbed, woodgrain embossed
Construction – Product Specifications
Standard max width: 20’0″ (6,096 mm)
Standard max height: 14’1″ (4,293 mm)
Panel thickness: 2″ (51 mm)
Insulation: Bonded Polystyrene
U-factor*: .23
R-value: 9.83
Exterior steel: 26-gauge
Interior steel: 29-gauge
Standard springs: 10,000 cycles
Wind Load: FBC-approved wind load options are available.
Track: 2″ and 3″ track available in a standard fit, high lift, full vertical, low headroom, and follow roof line options
*U-factor values are independently tested and verified per ANSI/DASMA 105.
**Overhead Door™ Brand uses a calculated door section R-value for our insulated doors
Door Options
- Insulated glass, tempered glass, polycarbonate, multi-wall polycarbonate, etc.
- High-usage package
- Wind load options
- Electric operator
- Chain hoist
- Posi-Tension™ drums
- Safety bottom fixture
- Bottom-sensing edge
- Exhaust ports
- Hinge upgrade package
- Residential lite options
- Window Glazing Options
Colors
Baked-on, double-coat finish available in:
Doors with 16.75″ sections are only available in White and Almond.
Almond Brown Desert Tan Sandstone White
Double Thermal Acrylic Insulated DSB
(25” w by 12” h) (24” w by 7” h)
Clear Short (19″w by 12”h) Clear Long (42″w by 13”h)
Overhead Door™ Brand participates in the DASMA Thermal Performance Verification Program. The program verifies the thermal performance of sectional doors. The lower the U-factor rating, the better the thermal performance.
The insulated sectional steel-back door is solidly constructed for reliable performance. It is perfect for commercial and industrial applications. The three-layer sandwich construction with inner and outer galvanized steel provides durability and reliability.
Perfect for Commercial & Industrial Applications where Durability, Reliability & Energy Efficiency are Essential
Insulated Sectional Steel-Back Door 470
Design Options & Features
The insulated sectional steel door model 470 is solidly constructed for reliable performance; the insulated sectional steel-back door is perfect for commercial and industrial applications. The 2” polystyrene insulation delivers a superior R-value of 9.83.
Door Construction & Features:
Standard max width: 20’0″ (6,096 mm)
Standard max height: 14’1″ (4,293 mm)
Panel thickness: 2″ (51 mm)
Insulation: Bonded Polystyrene
U-factor*: .23 
R-value: 9.83
Exterior steel: 26-gauge
Interior steel: 29-gauge
Standard springs: 10,000 cycles
Wind Load: FBC-approved wind load options are available.
Track: 2″ and 3″ track available in a standard fit, high lift, full vertical, low headroom, and follow roof line options
*U-factor values are independently tested and verified per ANSI/DASMA 105.
**Overhead Door™ Brand uses a calculated door section R-value for our insulated doors
Panel and Glazing Options
Ribbed Door Panel
Door Options
- Insulated glass, tempered glass, polycarbonate, multiwall polycarbonate, etc.
- High-usage package
- Wind load options
- Electric operator
- Chain Hoist
- Posi-Tension™ drums
- Safety bottom fixture
- Bottom-sensing edge
- Flexible jamb, header seal
- Exhaust Ports
- Hinge upgrade package
- Residential lite options
- Window Glazing Options
Double Thermal Acrylic (25” w by 12” h)
Insulated DSB (24” w by 7” h)
Clear Short (19″w by 12”h)
Clear Long (42″w by 13”h)
Baked-on, Double- Coat Finish Available in:
*Doors with 16.75″ sections available in only white and almond
White*
Almond*
Brown
Desert Tan
Sandstone
Whether you want to enhance your home’s curb appeal, add resale value, or improve garage door safety and security, Overhead Door carries residential garage door products to suit your needs. If any Questions, Request an Estimate, or Need Maintenance or Repair Service:
Send us an Email with the Form Below or Call Us Today @ (858) 547-3600.
Call us Today at (308) 646-2316
Overhead Door Company of Grand Island
2812 W Old Hwy 30, Grand Island, NE 68803
Call us Today at (308) 646-2316
Or Email us on the Form Below.
Business Hours: Monday – Friday 8 AM–4 PM
Call us Today at (308) 646-2316
Or Send us an Email.
Overhead Door Company of Grand Island™ –
2812 W Old Hwy 30, Grand Island, NE 68803